Pre-Calculus Calculators: (25) lessons


Antilog
Calculates the antilog of a number using a base.
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Base Conversion Operations
This calculator allows you to add, subtract, multiply, and divide two numbers with different bases.
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Circle Equation
This calculates the standard equation of a circle and general equation of a circle from the following given items:
* A center (h,k) and a radius r
* A diameter A(a1,a2) and B(b1,b2)
This also allows you to enter a standard or general form equation so that the center (h,k) and radius r can be determined.
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Circular Permutation
Calculates the following:
Number of ways to arrange n distinct items arranged on a circle
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Combinations with Replacement
Calculates the following:
How many combinations can we have from a sample of r elements from a set of n distinct objects where order does matter and replacements are not allowed?
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Conjugates
Simplifies a fraction with conjugates in the denominator
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Demoivres Theorem
Using Demoivres Theorem, this calculator performs the following:
1) Evaluates (acis(θ))n
2) Converts a + bi into Polar form
3) Converts Polar form to Rectangular (Standard) Form
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Divisibility
Shows the divisibility of a number by seeing if it is divisible by (2,3,4,5,6,7,8,9,10,11)
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Ellipses
Given an ellipse equation, this calculates the x and y intercept, the foci points, and the length of the major and minor axes as well as the eccentricity.
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Factorials
Calculates the following factorial items:
* A factorial of one number such as n!
* A factorial of a numerator divided by a factorial of a denominator such as n!m!/a!b!
* Double Factorials such as n!!
* Stirlings Approximation for n!
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Function
Takes various functions (exponential, logarithmic, signum (sign), polynomial, linear with constant of proportionality, constant, absolute value), and classifies them, builds ordered pairs, and finds the y-intercept and x-intercept and domain and range if they exist.
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Function Test
Checks to see if a set of ordered pairs represents a function
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Hyperbola
Given a hyperbola equation, this calculates:
* Equation of the asymptotes
* Intercepts
* Foci (focus) points
* Eccentricity ε
* Latus Rectum
* semi-latus rectum
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Input Table
Given an input table with input and output values, this will determine the operator and rule used to populate the missing values.
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Irrational Numbers Between
This calculator determines all irrational numbers between two numbers
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Logarithms
Using the formula Log ab = e, this calculates the 3 pieces of a logarithm equation:
1) Base (b)
2) Exponent
3) Log Result
In addition, it converts
* Expand logarithmic expressions
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Logarithms and Natural Logarithms and Eulers Constant (e)
This calculator does the following:
* Takes the Natural Log base e of a number x Ln(x) → logex
* Raises e to a power of y, ey
* Performs the change of base rule on logb(x)
* Solves equations in the form bcx = d where b, c, and d are constants and x is any variable a-z
* Solves equations in the form cedx=b where b, c, and d are constants, e is Eulers Constant = 2.71828182846, and x is any variable a-z
* Exponential form to logarithmic form for expressions such as 53 = 125 to logarithmic form
* Logarithmic form to exponential form for expressions such as Log5125 = 3
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Natural Logarithm Table
Generates a natural logarithm table for the first (n) numbers rounded to (r) digits
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Parabolas
Determines the focus, directrix, and other related items for a parabola.
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Permutations and Combinations
Calculates the following:
Number of permutation(s) of n items arranged in r ways = nPr
Number of combination(s) of n items arranged in r unique ways = nCr including subsets of sets
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Permutations with Replacement
Calculates the following:
How many permutations can we have from a sample of r elements from a set of n distinct objects where order does matter and replacements are not allowed?
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PI
This calculator performs operations with PI and gives you other options for π related calculations.
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Polar Conics
Given eccentricity (e), directrix (d), and angle θ, this determines the vertical and horizontal directrix polar equations.
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Rational Numbers Between
This calculator determines all rational numbers between two numbers
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Rational,Irrational,Natural,Integer Property
This calculator takes a number, decimal, or square root, and checks to see if it has any of the following properties:
* Integer Numbers
* Natural Numbers
* Rational Numbers
* Irrational Numbers Handles questions like: Irrational or rational numbers Rational or irrational numbers rational and irrational numbers Rational number test Irrational number test Integer Test Natural Number Test
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